A054033 - OEIS

A054033

Numbers n such that n^2 contains exactly 5 different digits.

113, 116, 117, 118, 124, 126, 128, 133, 134, 136, 137, 142, 144, 147, 148, 152, 153, 154, 169, 172, 174, 175, 176, 178, 179, 181, 186, 189, 191, 193, 195, 196, 198, 199, 203, 209, 213, 214, 217, 219, 224, 226, 228, 232, 233, 248, 252, 259, 267, 268, 269

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OFFSET

1,1

COMMENTS

The first 66 terms are the only ones whose squares contain no repeated digits. - Charles R Greathouse IV, Feb 09 2015

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MAPLE

f := []; for i from 0 to 200 do if nops({op(convert(i^2, base, 10))})=5 then f := [op(f), i] fi; od; f;

MATHEMATICA

Select[Range[101, 500], Count[DigitCount[#^2], 0]==5&] (* Harvey P. Dale, Feb 08 2015 *)

PROG